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Inessa05 [86]
3 years ago
5

PLEASE HELP

Mathematics
1 answer:
Mumz [18]3 years ago
6 0
If you use/make a number line, then you will see that the answer is -18 or a. When using a number line, negative = ← and positive = →.
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The measure of AngleRST can be represented by the expression (6x + 12)°. Three lines extend from point S. The space between line
DochEvi [55]

Answer:The measure of angle RST is 120\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m<RST=(6x+12)\° -----> equation A

m<RST=78\°+(3x-12)\° -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°

8 0
3 years ago
Find the unknown side length x. ​
Ganezh [65]

Answer:

x = \sqrt{65}

Step-by-step explanation:

The altitude of the triangle must equal 4 because it is a right triangle with another leg of 3 and a hypotenuse of 5 (reason is due to the pythagorean theorem)

Therefore, the triangle on the right has legs of 4 and 7 and, again, use the phythagorean theorem to find 'x' (the hypotenuse)

4^{2} + 7^{2} = x^{2}

16 + 49 = x^{2}

65 = x^{2}

x = sq rt 65

6 0
3 years ago
the track at Morgans School is 1/4 mile long. he runs 8 laps around the track how far did Morgan run?
jarptica [38.1K]
8 * 1/4 = 8/4 = 2 miles <==
3 0
3 years ago
Read 2 more answers
Which of the following is the value of f(-4) in the function f(x) = -2x - 3?<br><br> no links
Scilla [17]

Answer:

5

Step-by-step explanation:

f(-4)= -2(-4)-3

=8-3

=5

8 0
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anna is in acave 42 feet below the cave entrance. she descends 17 feet . then ascends 21 feet. find her new position relative to
tatyana61 [14]
The answer is Negative 38

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3 years ago
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